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230问答网 > 请问220交流接触器A1.A2端口接水泵，A1接零线A2接火线行吗

请问220交流接触器A1.A2端口接水泵，A1接零线A2接火线行吗

2025-03-14 05:08:15

推荐回答（2个）

回答1：

380v的接触器控制线接
线圈
a1,a2各接火线，接入单相380v，无需接零线：220v一端接火线，另一端接零线。
辅助接点不接常开常闭完全可以，通过浮球开关控制交流接触器，实现水泵自动上水

回答2：

火线1进2（也有2进1出的）出接交流接触器的A2，A1接零线

交流接触器的1.3.5接水泵的电源（三相电源）
2.4.6接水泵

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